Siemens sinumerik 840d Programming Manual page 433

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Define synchronized spindle pair: Options

Fixed definition of coupling:

The leading and following spindle are defined in

machine data.

With this coupling, the machine axes defined for the

LS and FS cannot be changed from the NC part

program. The coupling can nevertheless be

parameterized in the NC part program by means of

COUPDEF (on condition that no write protection is

User-defined coupling:

The language instruction COUPDEF can be used to

create new couplings and change existing ones in

the NC part programs. If a new coupling relationship

is to be defined, any existing user-defined coupling

must be deleted with COUPDEL.

Define new coupling COUPDEF

The following paragraphs define the parameters for

the predefined subroutine:

COUPDEF (FS,LS,SR

Following and leading spindles: FS and LS

The axis names FS and LS are used to identify the

coupling uniquely.

They must be programmed for each COUP

statement. Further coupling parameters only need to

be defined if they are to be changed (modal scope).

COUPDEF(S2,S1,Ü

S2 = following spindle, S1 = leading spindle

SINUMERIK 840D/840Di/810D/FM-NC Programming Guide Advanced (PGA) – 04.00 Edition

, block change beh.,

Additional Functions

13.3 Synchronized spindle

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